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词汇 ylid
释义

Definition of ylid in English:

ylid

(also ylide)
noun ˈɪlɪdˈilid
Chemistry

  • A compound having an uncharged molecule containing a negatively charged carbon atom directly bonded to a positively charged atom of sulphur, phosphorus, nitrogen, or another element.

    〔化〕内鎓盐（式），叶立德

    ammonium ylids
    Example sentencesExamples
    • This reaction occurs between an ylide and a carbonyl group which ultimately yields the alkene.

Origin

1950s: from -yl + -ide.

Definition of ylid in US English:

ylid

(also ylide)
nounˈilid
Chemistry

  • A compound that has an uncharged molecule containing a negatively charged carbon atom directly bonded to a positively charged atom of sulfur, phosphorus, nitrogen, or another element.

    〔化〕内鎓盐（式），叶立德

    ammonium ylids
    Example sentencesExamples
    • This reaction occurs between an ylide and a carbonyl group which ultimately yields the alkene.

Origin

1950s: from -yl + -ide.
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